Cam tightening tool for tire chains



FIG. 1 is an isometric view of the cam tightening tool.

FIG. 2 is a front elevation view of the invention.

FIG. 3 is a side elevation view of the invention.

FIG. 4 is a top plan view of the invention; and,

FIG. 5 is a bottom plan view of the invention. 

The ornamental design for a cam tightening tool for tire chains, as shown and described. 